Gender
Male
About
Location
Johannesburg, Gauteng
About Me:
I am an Msc Student at the university of the witwatersrand in south africa. I am currently working on rehabilitation protocols for contaminated mining sites.
Please tell us a bit about your UAV interest
I am interested in the use of UAV's in environmental monitoring as a cheaper and more frequent alternative to hyperspectral satellite imagery
Hometown:
kyalami
Activity Feed
"Hi Anthonie.
Using an FLIR camera would work well here. however FLIR cameras are super expensive and small ones to mount on a drone even more so.
How quickly do these voids form and move?
if they do not form quickly and move slowly then you could…"
Using an FLIR camera would work well here. however FLIR cameras are super expensive and small ones to mount on a drone even more so.
How quickly do these voids form and move?
if they do not form quickly and move slowly then you could…"
"Okay. Problem solved. I had to reset everything to default and then recalibrate."
"Hi Chris. I have done my radio calibrations and it just does not want to respond at all. I have tried re-installing the firmware but that has not worked either. Is there a hard reset that I could use to revert the board back to factory defaults?"
"Yep done my radio calibration. When I swap from manual into FBWA, FBWB and stabilise all inputs from my transmitter except throttle stop working."
Hey Everyone.Thanks for the help with sorting out the elevon mixing so that the plane autocorrects in the correct direction.I now have a new problem. When I am in Manual mode the plane responds to all inputs from my transmitter, However when I swap…
"Aha! Thanks everyone! that problem is now solved!
I realised that the elevons were not correcting in the correct direction despite the fact that they were moving in the correct direction for FBWA."
I realised that the elevons were not correcting in the correct direction despite the fact that they were moving in the correct direction for FBWA."
"I tested all the control surfaces in FBWA mode on the ground and they seemed to be working fine. I am not using an air speed sensor at present. I would like to at a later stage tho.
I have not set the maximum bank angle or adjusted any of the…"
I have not set the maximum bank angle or adjusted any of the…"
Hi Everyone.I am a total drone (and RC) beginner and have been trying to develop a drone that I could use for remote sensing of my remediation sites.I initially tried to use an X-UAV talon as a first platform, However after a massive crash I…
Hey all.So apparently the CAA has decided to clamp down on drone use here in SA.I recently read the following article http://www.news24.com/Travel/Flights/CAA-to-crackdown-on-illegal-dr... CAA classifies a UAS as any aircraft…
"oh yeah. the filter that Christiaan used from publiclab lets Blue and Green and NIR through but blocks Red. thus the camera is detecting NIR in the Red Channel. A straight NIR image would only be red, not red and blue like Christiaans."
"Hi criro1999.
the equation for an NDVI is the following. NDVI=(NIR+VIS)/(NIR-VIS). the equation is performed on each of the pixels of the image. Some people use the red band from their camera in order to provide the VIS value for the equation. but…"
the equation for an NDVI is the following. NDVI=(NIR+VIS)/(NIR-VIS). the equation is performed on each of the pixels of the image. Some people use the red band from their camera in order to provide the VIS value for the equation. but…"
Hey All.So after much flying of a cheapo RC i think i am now ready to embark on my drone adventure.I am trying to build a research drone that would preferably have over an hours flight time.I have been looking at the sky-eye from hobbyking as a base…
"Hi, does anyone here know the maximum wavelength that can be detected in the NIR by a converted camera?"
Hey Everyone. I am an environmental science student at the witwatersrand university in south africa. I need to create high res aerial photographs of my study site on a frequent basis.My study site is quite large and so i thought a fixed wing…
